Finasteride Results After Stopping: Hair Loss Timeline
Medically reviewed by [Reviewer Name, MD] | Last reviewed: August 2026 | Editorial policy
Bottom line: Hair gains from finasteride are not permanent. Discontinuing treatment reverses DHT suppression, and most evidence suggests the hair count returns to approximately what it would have been without treatment within 12–24 months of stopping.
Loss Timeline After Stopping
| Time after stopping | Typical hair pattern |
|---|---|
| Weeks 1–4 | No immediate visible change; DHT rising |
| Months 2–4 | Increased shedding begins for many men |
| Months 4–6 | Visible thinning returning; noticeable to patient |
| Months 12–18 | Hair density approaching pre-treatment baseline |
| Month 24 | Essentially equivalent to untreated natural progression |
Are Any Results Permanent?
No credible evidence supports the idea that finasteride permanently alters the miniaturization trajectory of follicles — once DHT suppression ends, the follicles respond to androgen exposure again. The drug works while you take it; its effects are maintained by continuous use.
Can You Restart?
Yes. Men who stop and then restart finasteride generally see similar efficacy to their initial course, though evidence comparing restart vs. continuous use is limited. There is no established “refractory” period after stopping. Discuss restarting with your prescribing provider.
See: What happens when you stop finasteride | How long should you take finasteride | Results timeline | Alternatives